Test bench for detecting strength of anti-collision beam of new energy automobile

Abstract

The invention is applicable to the technical field of anti-collision beam detection, and provides a test bed for detecting the strength of an anti-collision beam of a new energy automobile, which comprises a test assembly, and a positioning assembly and an automobile anti-collision beam movably positioned on the positioning assembly are arranged on the test assembly in a sliding manner; the test assembly comprises a test piece and an attaching piece which is in sliding fit with the test piece, the positioning assembly comprises a clamping piece which is in sliding fit with the test piece and two sliding contact pieces which are in sliding fit with the clamping piece, and the device solves the problem that when the test bed is used for carrying out a strength test on the automobile anti-collision beam, extra external clamping tools are needed mostly, so that the strength of the automobile anti-collision beam is not influenced. The technical problems that the whole process is too tedious and certain inconvenience is brought to workers due to the fact that the automobile anti-collision beam is positioned and fixed before a strength test are solved, the automobile anti-collision beam can be prevented from sliding on the positioning assembly, the test process can be simplified at the same time, and the test efficiency is improved. And certain convenience is brought to workers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of anti-collision beam detection, more specifically, it relates to a test bench for strength detection of new energy vehicle anti-collision beam. BACKGROUND

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as power sources and integrate advanced technologies in vehicle power control and driving to form vehicles with advanced technical principles and new technologies and structures. Like traditional fuel vehicles, new energy vehicles are provided with anti-collision beams to absorb and buffer impacts in collisions. The strength of the anti-collision beams needs to be detected during production.

[0003] At present, the test bench for strength detection of new energy vehicle anti-collision beams on the market has the following technical problems when performing strength tests on the anti-collision beams of vehicles: The existing test bench for strength detection of new energy vehicle anti-collision beams needs to use additional external clamping tools to position and fix the anti-collision beams of vehicles before strength tests, which makes the whole process too complicated and brings certain inconvenience to workers. SUMMARY

[0004] In view of the deficiencies in the prior art, the present application aims to provide a test bench for strength detection of new energy vehicle anti-collision beams, which can clamp and position the side of the anti-collision beam of the vehicle through the self-gravity of the anti-collision beam, avoid the anti-collision beam of the vehicle from sliding on the positioning assembly during the strength test in the later stage, and thus affect the test results in the later stage, and can also avoid using too many external clamping tools to clamp and position the anti-collision beam during the strength test, thereby simplifying the test process and bringing certain convenience to workers.

[0005] In order to achieve the above object, the present application provides the following technical scheme: a test bench for strength detection of a new energy vehicle anti-collision beam, comprising a test assembly, a positioning assembly and a vehicle anti-collision beam movably arranged on the test assembly; the test assembly comprises a test piece and a fitting piece movably fitted on the test piece, and the positioning assembly comprises a clamping piece movably fitted on the test piece and two sliding contacts movably fitted on the clamping piece; the test piece comprises an H-shaped horizontal plate, and the bottom of the H-shaped horizontal plate is fixed with two symmetrical U-shaped guide plates; the clamping piece comprises two sliding rail blocks movably fitted on the H-shaped horizontal plate, and the top of each sliding rail block is fixed with two symmetrical pin shafts, each of the two pin shafts is rotatably fitted with a retractable arm, each of the two retractable arms is rotatably fitted with an L-shaped positioning plate, and the inner bottom of each L-shaped positioning plate is penetrated to form a circular hole for sliding fit with the sliding contact; the opposite two side surfaces of each L-shaped positioning plate are fixed with a guide channel, and the guide channel is slidably fitted with a cross block, one side of the cross block is fixed with a triangular plate for sliding fit with the sliding contact, the side surface of the triangular plate is fixed with an L-shaped extension plate, and the side end surface of the L-shaped extension plate is fixed with a clamping plate.

[0006] The present application further provides that: the inner wall of the circular hole is provided with two symmetrical limiting grooves; the sliding contact comprises a sliding rod slidably fitted in the circular hole, the top of the sliding rod is provided with a dome, the side surface of the sliding rod is fixed with two symmetrical limiting rails, the two limiting rails are respectively slidably fitted with the two limiting grooves, the bottom of the sliding rod is fixed with a displacement bottom plate, the opposite two side surfaces of the displacement bottom plate are fixed with displacement rods, the end portions of the two displacement rods are fixed with sliding balls for sliding fit with the triangular plate, and the top of the displacement bottom plate is fixed with a first spring in sleeved fit with the sliding rod, and the end portion of the first spring is fixedly connected with the outer bottom of the L-shaped positioning plate.

[0007] The present application further provides that: one side of each L-shaped positioning plate is fixed with an L-shaped guide plate, the top of the L-shaped guide plate is penetrated to form a displacement slot, the inner wall of the displacement slot is fixed with a first guide rod, and the displacement slot is slidably fitted with a I-shaped sliding block in penetrating sliding fit with the first guide rod, and a second spring in sleeved fit with the first guide rod is fixed between the I-shaped sliding block and the displacement slot.

[0008] The application is further provided with: the top of the L-shaped guide plate is provided with a guide hole, an inserting rod movably inserted into the vehicle crash beam is slidably arranged in the guide hole, the bottom of the inserting rod is provided with a dome, a bottom ring is fixedly arranged on the side surface of the inserting rod, a third spring is fixedly arranged between the bottom ring and the L-shaped guide plate and sleeved on the inserting rod; the bottom of the I-shaped sliding block is fixedly provided with a trapezoidal plate in sliding contact with the bottom of the inserting rod, the opposite side surfaces of the trapezoidal plate are fixedly provided with triangular contact plates, and the side surfaces of the two triangular contact plates are fixedly provided with baffle plates; one side of the displacement bottom plate is fixedly provided with two symmetrical L-shaped resisting rods, the end portions of the two L-shaped resisting rods are provided with domes, and the two L-shaped resisting rods are respectively in sliding contact with the inclined surfaces of the two triangular contact plates.

[0009] The application is further provided with: the bottom of the H-shaped transverse plate is fixedly provided with two symmetrical L-shaped supporting legs; a first telescopic air cylinder is fixedly arranged on the inner side surface of one L-shaped supporting leg, a side plate is fixedly arranged on the telescopic end of the first telescopic air cylinder, a first motor is fixedly arranged on the side surface of the side plate, a reciprocating screw rod is fixedly arranged on the output shaft of the first motor, a guide groove is formed in the side surface of the side plate, and a moving block that is in reciprocating sliding contact with the reciprocating screw rod is slidably arranged in the guide groove.

[0010] The application is further provided with: an L-shaped displacement plate is fixedly arranged on the side surface of the moving block, a guide cylinder is fixedly arranged on the inner top of the L-shaped displacement plate, and two vertical rails are fixedly arranged in the guide cylinder; the fitting member comprises a vertical cylinder that is slidably arranged in the guide cylinder, two vertical grooves are formed in the side surface of the vertical cylinder, and the two vertical grooves are respectively in sliding contact with the two vertical rails.

[0011] The application is further provided with: a fourth spring is fixedly arranged on the top of the vertical cylinder, the end portion of the fourth spring is fixedly connected with the inner top of the guide cylinder, a fitting plate that is in sliding contact with the vehicle crash beam is fixedly arranged on the bottom of the vertical cylinder, an internally-threaded cylinder is fixedly arranged on the side surface of the fitting plate, and a laser pen is threadedly connected in the internally-threaded cylinder; a base plate is fixedly arranged on the inner side surface of the other L-shaped supporting leg, a U-shaped clamping plate is fixedly arranged on the top of the base plate, and a display light screen is slidably inserted into the U-shaped clamping plate.

[0012] The application is further provided with: a horizontal guide rail is fixedly arranged below the base plate on the inner side surface of the other L-shaped supporting leg, a second motor is fixedly arranged on the side surface of the horizontal guide rail, a threaded screw rod is fixedly arranged on the output shaft of the second motor, a displacement frame that is threadedly rotatably connected with the threaded screw rod is slidably arranged in the horizontal guide rail, a second telescopic air cylinder is fixedly arranged on the inner top of the displacement frame, and a pressing plate is fixedly arranged on the telescopic end of the second telescopic air cylinder; a display controller that is electrically connected with the display light screen is fixedly arranged on the side surface of the U-shaped clamping plate.

[0013] The H-shaped transverse plate is internally provided with two second guide rods which are symmetrical, and the H-shaped transverse plate is internally provided with two fifth springs which are respectively sleeved and matched on the two second guide rods.

[0014] The advantages of the present application are: 1. The gravity of the automobile anti-collision beam itself causes the two cross blocks to approach the clamping plates on the opposite side synchronously, thereby clamping and positioning the side of the automobile anti-collision beam, avoiding the sliding of the automobile anti-collision beam on the positioning assembly during the strength test, thereby affecting the test results, and avoiding the use of too many external clamping tools for clamping and positioning during the strength test, simplifying the test process and bringing certain convenience to the workers.

[0015] 2. The gravity of the automobile anti-collision beam itself causes the insertion rod to pass through the guide hole and finally be inserted and matched in the positioning hole of the automobile anti-collision beam, thereby inserting and locking the two ends of the automobile anti-collision beam, avoiding the sliding of the automobile anti-collision beam on the positioning assembly during the strength test, thereby affecting the test results, and avoiding the use of too many external clamping tools for clamping and positioning during the strength test, simplifying the test process and bringing certain convenience to the workers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the test bed for strength detection of the new energy automobile anti-collision beam.

[0017] Figure 2 It is a structural schematic view of the test assembly.

[0018] Figure 3 It is a structural schematic view of the positioning assembly.

[0019] Figure 4 It is a structural schematic view of the test piece.

[0020] Figure 5 It is another angle structural schematic view of the test piece.

[0021] Figure 6 It is a sectional structural side view of the test piece.

[0022] Figure 7 It is a structural schematic view of the clamping piece.

[0023] Figure 8 It is a structural schematic view of the clamping piece.

[0024] Figure 9 is a top view of the clamping piece of the present application.

[0025] Figure 10 is a front view of the clamping piece of the present application.

[0026] Figure 11 is a structural schematic view of the sliding contact piece of the present application.

[0027] Figure 12 is a structural schematic view of the automobile anti-collision beam of the present application.

[0028] In the figure: 1, test assembly; 2, positioning assembly; 3, automobile anti-collision beam; 4, test piece; 5, fitting piece; 6, clamping piece; 7, sliding contact piece; 401, H-shaped horizontal plate; 402, U-shaped guide plate; 403, L-shaped supporting leg; 404, first telescopic air cylinder; 405, side plate; 406, first motor; 407, reciprocating screw rod; 408, guide groove; 409, moving block; 410, L-shaped displacement plate; 411, guide cylinder; 412, vertical rail; 413, base plate; 414, U-shaped clamping plate; 415, display light screen; 416, horizontal guide rail; 417, second motor; 418, threaded screw rod; 419, displacement frame; 420, second telescopic air cylinder; 421, pressing plate; 422, display controller; 423, second guide rod; 424, fifth spring; 501, vertical cylinder; 502, vertical groove; 503, fourth spring; 504, fitting plate; 505, internally threaded cylinder; 506, laser pen; 601, sliding rail block; 602, pin shaft; 603, retractable arm; 604, L-shaped positioning plate; 605, circular hole; 606, guide channel; 607, cross block; 608, triangular plate; 609, L-shaped extension plate; 610, clamping plate; 611, limiting groove; 612, L-shaped guide plate; 613, displacement groove; 614, first guide rod; 615, I-shaped sliding block; 616, second spring; 617, guide hole; 618, plug-in rod; 619, bottom ring; 620, third spring; 621, trapezoidal plate; 622, triangular contact plate; 623, baffle; 624, guide circular hole; 701, sliding rod; 702, limiting rail; 703, displacement base plate; 704, displacement rod; 705, sliding ball; 706, first spring; 707, L-shaped abutting rod. DETAILED DESCRIPTION

[0029] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled person in the technical field to which the present application belongs.

[0031] In the present application, the orientation such as "upper, lower" is generally directed to the direction shown in the drawings or the vertical, perpendicular or gravity direction unless otherwise stated; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component, but the above orientation words are not used to limit the present application.

[0032] Embodiment one, please refer to Figures 1-12 The present application provides the following technical solutions: a test bed for detecting the strength of a new energy vehicle anti-collision beam, specifically comprising a test assembly 1, a positioning assembly 2 slidingly arranged on the test assembly 1, and a vehicle anti-collision beam 3 movably positioned on the positioning assembly 2; the test assembly 1 comprises a test piece 4 and a fitting piece 5 slidingly fitted on the test piece 4, and the positioning assembly 2 comprises a clamping piece 6 slidingly fitted on the test piece 4 and two sliding contacts 7 slidingly fitted on the clamping piece 6; the test piece 4 comprises an H-shaped cross plate 401, and the bottom of the H-shaped cross plate 401 is fixed with two symmetrical U-shaped guide plates 402; the clamping piece 6 comprises two sliding rail blocks 601 slidingly fitted on the H-shaped cross plate 401, and the top of each sliding rail block 601 is fixed with two symmetrical pin shafts 602; each pin shaft 602 is rotatably fitted with a retractable arm 603, and each retractable arm 603 is rotatably fitted with an L-shaped positioning plate 604; two L-shaped positioning plates 604 are each provided with a circular hole 605 in the inner bottom, which is slidingly fitted with a sliding contact 7, and the opposite sides of each L-shaped positioning plate 604 are fixed with a guide groove 606; the guide groove 606 is slidingly fitted with a cross block 607, and the cross block 607 is fixed with a triangular plate 608 on one side, which is slidingly fitted with a sliding contact 7; the side of the triangular plate 608 is fixed with an L-shaped extension plate 609, and the side end face of the L-shaped extension plate 609 is fixed with a clamping plate 610. Further, two limiting grooves 611 are formed in the inner wall of the circular hole 605; the sliding contact 7 comprises a sliding rod 701 slidingly fitted in the circular hole 605, and the top of the sliding rod 701 is provided in a round shape; the sliding rod 701 is fixed with two symmetrical limiting rails 702 on the side face, and the two limiting rails 702 are respectively slidingly fitted with two limiting grooves 611; the bottom of the sliding rod 701 is fixed with a displacement bottom plate 703, and the opposite sides of the displacement bottom plate 703 are fixed with displacement rods 704; the end of each displacement rod 704 is fixed with a sliding ball 705 slidingly fitted with the triangular plate 608; the top of the displacement bottom plate 703 is fixed with a first spring 706 sleeved and fitted on the sliding rod 701, and the end of the first spring 706 is fixedly connected with the outer bottom of the L-shaped positioning plate 604.

[0033] The specific application of the embodiment one is that when the automobile anti-collision beam 3 is hoisted to the top of the positioning assembly 2 by the external lifting tool, the automobile anti-collision beam 3 is lowered by the external lifting tool, and in the process of the lowering operation, the bottom of the automobile anti-collision beam 3 simultaneously generates a downward sliding force on the two sliding rods 701 which are slidingly fitted on the two L-shaped positioning plates 604, so that the first spring 706 which is fixedly connected between the displacement bottom plate 703 and the L-shaped positioning plate 604 is slowly stretched, when the two sliding rods 701 synchronously move downward on the two L-shaped positioning plates 604, the displacement bottom plates 703 which are respectively fixed at the bottom of the two sliding rods 701 synchronously slowly move downward, so as to drive the displacement rods 704 which are fixed on the two sides of the displacement bottom plate 703 and the sliding ball 705 which is fixed at the end of the displacement rod 704 to synchronously slide on the inclined surface of the two triangular plates 608, so as to drive the two cross blocks 607 to relatively slide in the two guide grooves 606, so that the two cross blocks 607 synchronously move towards the side of the automobile anti-collision beam 3 relative to the clamping plate 610 arranged on one side, so as to clamp and position the side of the automobile anti-collision beam 3 by the gravity of the automobile anti-collision beam 3 itself, so as to avoid the automobile anti-collision beam 3 from sliding on the positioning assembly 2 during the strength test, and thus affecting the test result, and meanwhile, the excessive external clamping tools for clamping and positioning during the strength test are avoided, the test process is simplified, and the work personnel are facilitated.

[0034] Embodiment two, please refer to Figures 1-12 , the embodiment two is improved on the basis of the embodiment one, specifically, the two L-shaped positioning plates 604 are fixed with L-shaped guide plates 612 on one side, the top of the L-shaped guide plate 612 is provided with a displacement groove 613, the inner wall of the displacement groove 613 is fixed with a first guide rod 614, the displacement groove 613 is slidingly fitted with a I-shaped sliding block 615 which is slidingly fitted with the first guide rod 614, the second spring 616 is fixed on the first guide rod 614 in a sleeved manner between the I-shaped sliding block 615 and the displacement groove 613; the top of the L-shaped guide plate 612 is provided with a guide hole 617, the guide hole 617 is slidingly fitted with a plug-in rod 618 which is movably plugged with the automobile anti-collision beam 3, the bottom of the plug-in rod 618 is provided in a dome shape, the plug-in rod 618 is fixed with a bottom ring 619 on the side surface, the third spring 620 is fixed in a sleeved manner on the plug-in rod 618 between the bottom ring 619 and the L-shaped guide plate 612; the bottom of the I-shaped sliding block 615 is fixed with a trapezoidal plate 621 which is slidingly contacted with the bottom of the plug-in rod 618, the trapezoidal plate 621 is fixed with triangular contact plates 622 on the two side surfaces, the two triangular contact plates 622 are fixed with baffle plates 623 on the side surfaces; the displacement bottom plate 703 is fixed with two symmetrical L-shaped abutting rods 707 on one side, the end of the two L-shaped abutting rods 707 is provided in a dome shape, and the two L-shaped abutting rods 707 are slidingly contacted with the inclined surfaces of the two triangular contact plates 622 respectively.

[0035] The specific application of the second embodiment is: when the automobile anti-collision beam 3 is clamped and positioned, the automobile anti-collision beam 3 itself generates a downward sliding force on the two sliding rods 701 respectively slidingly fitted on the two L-shaped positioning plates 604, so that the first spring 706 fixedly connected between the displacement bottom plate 703 and the L-shaped positioning plate 604 is stretched, thereby driving the displacement bottom plate 703 to move downward relative to the L-shaped positioning plate 604. When the L-shaped positioning plate 604 moves downward, the two L-shaped abutting rods 707 respectively slide on the inclined surfaces of the two triangular contact plates 622, thereby driving the trapezoidal plate 621 fixed between the two triangular contact plates 622 and the work-shaped sliding block 615 fixed on the top of the trapezoidal plate 621 to move horizontally in the displacement slot 613 towards the side of the L-shaped positioning plate 604, thereby synchronously compressing the second spring 616 fixedly connected between the work-shaped sliding block 615 and the displacement slot 613, so that the work-shaped sliding block 615 slowly approaches the side of the L-shaped positioning plate 604. When the work-shaped sliding block 615 slowly approaches the side of the L-shaped positioning plate 604, it slides between the inclined surface of the trapezoidal plate 621 and the bottom of the insertion rod 618, and is combined with the elastic compression force of the third spring 620 fixedly connected between the bottom ring 619 and the L-shaped guide plate 612, so that the insertion rod 618 passes through the guide hole 617 and is finally inserted and fitted in the positioning hole of the automobile anti-collision beam 3 (the positioning hole of the automobile anti-collision beam 3 is used to fix the automobile anti-collision beam 3 to the front end of the new energy vehicle frame by bolts, and the specific structure can be referred to Figure 12 ), so that the two ends of the automobile anti-collision beam 3 are inserted and locked by the weight of the automobile anti-collision beam 3 itself, avoiding the sliding of the automobile anti-collision beam 3 on the positioning assembly 2 during the strength test, thereby affecting the test results, and at the same time avoiding the use of too many external clamping tools for clamping and positioning during the strength test, simplifying the test process and bringing certain convenience to the workers.

[0036] Embodiment three, please refer to Figures 1-12The embodiment three is improved based on the embodiment one, specifically, the bottom of the H-shaped transverse plate 401 is fixed with two symmetrical L-shaped supporting legs 403; the inner side of an L-shaped supporting leg 403 is fixed with a first telescopic cylinder 404, the telescopic end of the first telescopic cylinder 404 is fixed with a side plate 405, the side of the side plate 405 is fixed with a first motor 406, the output shaft of the first motor 406 is fixed with a reciprocating lead screw 407, the side of the side plate 405 is provided with a guide groove 408 penetratingly formed, the guide groove 408 is internally and slidingly fitted with a moving block 409 reciprocally slidingly fitted with the reciprocating lead screw 407; the side of the moving block 409 is fixed with an L-shaped displacement plate 410, the inner top of the L-shaped displacement plate 410 is fixed with a guide cylinder 411, the guide cylinder 411 is internally fixed with two vertical rails 412 in symmetry; the abutting part 5 comprises a vertical cylinder 501 slidingly fitted in the guide cylinder 411, the circumferential side of the vertical cylinder 501 is provided with two vertical grooves 502 in symmetry, the two vertical grooves 502 are respectively slidingly fitted with the two vertical rails 412; the top of the vertical cylinder 501 is fixed with a fourth spring 503, the end of the fourth spring 503 is fixedly connected with the inner top of the guide cylinder 411, the bottom of the vertical cylinder 501 is fixed with an abutting plate 504 slidingly fitted with the automobile anti-collision beam 3, the side of the abutting plate 504 is fixed with an internally threaded cylinder 505, the internally threaded cylinder 505 is internally and threadedly connected with a laser pen 506; the inner side of the other L-shaped supporting leg 403 is fixed with a base plate 413, the top of the base plate 413 is fixed with a U-shaped clamping plate 414, the U-shaped clamping plate 414 is internally and slidingly inserted with a display light screen 415; the inner side of the other L-shaped supporting leg 403 is fixed below the base plate 413 with a horizontal guide rail 416, the side of the horizontal guide rail 416 is fixed with a second motor 417, the output shaft of the second motor 417 is fixed with a threaded lead screw 418, the horizontal guide rail 416 is internally and slidingly fitted with a displacement frame 419 threadedly rotationally connected with the threaded lead screw 418, the inner top of the displacement frame 419 is fixed with a second telescopic cylinder 420, the telescopic end of the second telescopic cylinder 420 is fixed with a pressing plate 421; the side of the U-shaped clamping plate 414 is fixed with a display controller 422 electrically connected with the display light screen 415; the inner wall of the H-shaped transverse plate 401 is fixed with two second guide rods 423 in symmetry, the inner wall of the H-shaped transverse plate 401 is fixed with two fifth springs 424 respectively and fittingly sleeved on the two second guide rods 423; the side of each of the two slide rail blocks 601 is penetratingly provided with a guide circular hole 624 slidingly fitted on the second guide rod 423, the end of the fifth spring 424 is fixedly connected with the side of the slide rail block 601.

[0037] The specific application of the third embodiment is: during the strength test of the automobile anti-collision beam 3, the test bench completes positioning and fixing before the test through the gravity of the test bench itself. After the positioning and fixing operation is completed, the first telescopic cylinder 404 is started to drive the side plate 405 to gradually approach the upper side of the automobile anti-collision beam 3 after positioning and fixing, until the bottom of the vertical cylinder 501 fixedly connected with the guide cylinder 411 moves to the upper surface of the automobile anti-collision beam 3 (after the bottom of the vertical cylinder 501 fixedly connected with the guide cylinder 411 moves to the upper surface of the automobile anti-collision beam 3, the fourth spring 503 fixedly connected between the vertical cylinder 501 and the guide cylinder 411 is in a slight compression state, and the bottom of the fitting plate 504 is in a state of mutual fitting with the upper surface of the automobile anti-collision beam 3), the first telescopic cylinder 404 is closed, then the first motor 406 is started to drive the reciprocating lead screw 407 to rotate, so that the moving block 409 is synchronously moved in the guide groove 408 from one side of the guide groove 408 to the other side of the guide groove 408. When the moving block 409 is moved in the guide groove 408 from one side of the guide groove 408 to the other side of the guide groove 408, the fitting plate 504 slidingly fitted on the upper surface of the automobile anti-collision beam 3 will slide and walk on the upper surface of the automobile anti-collision beam 3 during the movement of the moving block 409. When the fitting plate 504 slides and walks on the upper surface of the automobile anti-collision beam 3, the laser pen 506 is started synchronously, so that the laser pen 506 displays a continuous line segment on the display light screen 415 during the sliding and walking process of the fitting plate 504 on the upper surface of the automobile anti-collision beam 3 (the laser pen 506 displays a line segment on the display light screen 415 mainly by using the straight line propagation principle of light. When the light beam emitted by the laser pen 506 irradiates the display light screen 415, the light beam propagates along a straight line and forms a light spot or a light point on the screen. By moving the position of the laser pen 506, a continuous line segment is formed on the display light screen 415. Before display, it is necessary to ensure that the surface of the display light screen 415 is free of anti-reflection coating or mirror reflection structure (such as OLED screen), otherwise the light spot may be scattered or absorbed, which will affect the subsequent test process). Finally, the line segment is displayed on the display light screen 415. After the fitting plate 504 moves from one side of the automobile anti-collision beam 3 to the other side of the automobile anti-collision beam 3, the first motor 406 and the laser pen 506 are closed, so that the upper surface of the automobile anti-collision beam 3 before the test is displayed in the form of a line segment, forming the initial data before data comparison. Then, the second motor 417 is started to drive the displacement frame 419 to move in the horizontal guide rail 416 until the displacement frame 419 moves to the top of the automobile anti-collision beam 3 after positioning and fixing, the second motor 417 is closed, and the second telescopic cylinder 420 is started synchronously to drive the pressing plate 421 fixedly connected with the second telescopic cylinder 420 to move downward and gradually approach the upper surface of the automobile anti-collision beam 3, until the pressing plate 421 and the upper surface of the automobile anti-collision beam 3 are in contact with each other,Continue to move down through the pressing plate 421 process, the positioning and fixing of the completed car beam 3 strength test, wait until the pressing plate 421 in the second telescopic cylinder 420 under certain pressure force of car beam 3 strength test completed, reverse start second telescopic cylinder 420, until the pressing plate 421 moves up a distance, close the second telescopic cylinder 420, and then reverse start the second motor 417 (the positive rotation and reverse rotation of the second motor 417 is prior art, not described here), drive the displacement frame 419 reverse movement in the horizontal guide rail 416, until the displacement frame 419 from the positioning and fixing of the completed car beam 3 above, there is a certain gap between the end of the positioning and fixing of the completed car beam 3, close the second motor 417, and start the first motor 406 again, drive the reciprocating screw 407 to rotate, so that the moving block 409 is synchronized in the guide groove 408 from the other side of the guide groove 408 to the side of the guide groove 408 slowly, when the guide groove 408 from the other side of the guide groove 408 to the side of the guide groove 408 slowly, its sliding fit on the surface of the car beam 3 fit plate 504 will be with the moving block 409 movement process and on the surface of the car beam 3 in the opposite direction of the sliding walking, when the fit plate 504 on the surface of the car beam 3 in the opposite direction of the sliding walking, synchronous start laser pen 506, so that the laser pen 506 is synchronized in the display light screen 415 again display a continuous line segment, so that the two line segment comparison process, observe the deformation and damage of the car beam 3 under certain pressure, and finally determine the bearing capacity of the car beam 3 in the form of static loading test, so as to complete the strength test of the car beam 3 (the above test process, the back and forth multiple walking process of the fit plate 504 sliding fit on the surface of the car beam 3, realize the multiple scanning of the laser pen 506 to generate multiple comparison line segment, increase the accuracy of test data), During the process of the strength test detection of the automobile anti-collision beam 3 which has been positioned and fixed, with the downward movement of the pressing plate 421, the pressing plate 421 will generate a downward force on the automobile anti-collision beam 3 which has been positioned and fixed, so as to change the overall length of the automobile anti-collision beam 3. During the change of the overall length of the automobile anti-collision beam 3 (in order to prevent the two ends of the automobile anti-collision beam 3 which has been positioned and fixed and the positioning assembly 2 from being damaged during the test), the two ends of the automobile anti-collision beam 3 will simultaneously be subjected to a force away from each other. When the two ends of the automobile anti-collision beam 3 are subjected to a force away from each other, the two L-shaped positioning plates 604 which are slidably fitted between the two U-shaped guide plates 402 will synchronously move away from each other. When the two L-shaped positioning plates 604 move away from each other between the two U-shaped guide plates 402, the plurality of contraction and expansion arms 603 which are rotatably fitted between the two groups of pin shafts 602 and the two oppositely arranged L-shaped positioning plates 604 will synchronously contract with the movement of the two L-shaped positioning plates 604 away from each other, so as to synchronously compress the two fifth springs 424 which are fixedly connected between the H-shaped transverse plate 401 and the sliding rail block 601, so that the two sliding rail blocks 601 move closer to each other on the two second guide rods 423 and the H-shaped transverse plate 401 respectively, so as to prevent the automobile anti-collision beam 3 from deforming when subjected to pressure, avoid damaging the positioning assembly 2, and prevent the automobile anti-collision beam 3 from affecting the later test process.

[0038] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work should belong to the scope of protection of the present application.

[0039] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0040] It should be noted that the terms "first", "second", and the like used in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0041] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

[0042] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A test bench for strength detection of a new energy automobile anti-collision beam, comprising a test assembly (1), characterized in that: The test component (1) is slidably provided with a positioning component (2) and a car anti-collision beam (3) that is movably positioned on the positioning component (2). The test assembly (1) includes a test piece (4) and a fitting piece (5) that slides on the test piece (4). The positioning assembly (2) includes a clamping piece (6) that slides on the test piece (4) and two sliding contact pieces (7) that slide on the clamping piece (6). The test piece (4) includes an H-shaped horizontal plate (401), and two symmetrical U-shaped guide plates (402) are fixed at the bottom of the H-shaped horizontal plate (401). The clamping member (6) includes two slide rail blocks (601) that slide in slidably engage with an H-shaped horizontal plate (401). Two symmetrical pins (602) are fixed at the top of the slide rail blocks (601). Two retractable arms (603) are rotatably engaged with each of the two pins (602). L-shaped positioning plates (604) are rotatably engaged with each of the two retractable arms (603). Circular holes (605) that slide in slidably engage with the sliding contact member (7) are opened through the bottom of each of the two L-shaped positioning plates (604). Guide channels (606) are fixed on opposite sides of each L-shaped positioning plate (604). A cross block (607) slides in slidably engages with the inside of the guide channel (606). A triangular plate (608) that slides in slidably engages with the sliding contact member (7) is fixed on one side of the cross block (607). An L-shaped extension plate (609) is fixed on the side of the triangular plate (608). A clamping plate (610) is fixed on the side end face of the L-shaped extension plate (609).

2. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 1, characterized in that: The inner wall of the circular hole (605) is provided with two symmetrical limiting grooves (611); The sliding contact (7) includes a sliding rod (701) that slides inside a circular hole (605). The top of the sliding rod (701) is dome-shaped. Two symmetrical limiting rails (702) are fixed on the periphery of the sliding rod (701). The two limiting rails (702) slide in cooperation with two limiting grooves (611) respectively. A displacement base plate (703) is fixed at the bottom of the sliding rod (701). Displacement rods (704) are fixed on both opposite sides of the displacement base plate (703). Sliding balls (705) that slide in cooperation with triangular plates (608) are fixed at the ends of the two displacement rods (704). A first spring (706) that is sleeved on the sliding rod (701) is fixed at the top of the displacement base plate (703). The end of the first spring (706) is fixedly connected to the bottom of the L-shaped positioning plate (604).

3. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 2, characterized in that: Both L-shaped positioning plates (604) are fixed with an L-shaped guide plate (612) on one side. The top of the L-shaped guide plate (612) is provided with a displacement groove (613). The inner wall of the displacement groove (613) is fixed with a first guide rod (614). The inner wall of the displacement groove (613) is slidably fitted with an I-shaped slider (615) that is slidably fitted through the first guide rod (614). A second spring (616) is fixed between the I-shaped slider (615) and the displacement groove (613) and is sleeved on the first guide rod (614).

4. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 3, characterized in that: The L-shaped guide plate (612) is provided with a guide hole (617) at the top, a plug-in rod (618) movably connected with the automobile anti-collision beam (3) is slidably arranged in the guide hole (617), the bottom of the plug-in rod (618) is provided with a dome, a bottom ring (619) is fixedly arranged on the side surface of the plug-in rod (618), and a third spring (620) is fixedly arranged on the plug-in rod (618) in a sleeving mode between the bottom ring (619) and the L-shaped guide plate (612); The bottom of the H-shaped sliding block (615) is fixedly connected with a trapezoidal plate (621) in sliding contact with the bottom of the plug-in rod (618), the opposite side surfaces of the trapezoidal plate (621) are fixedly connected with triangular contact plates (622), and the side surfaces of the two triangular contact plates (622) are fixedly connected with baffle plates (623); The displacement bottom plate (703) is fixedly connected with two symmetrical L-shaped abutting rods (707) on one side, the ends of the two L-shaped abutting rods (707) are provided with domes, and the two L-shaped abutting rods (707) are in sliding contact with the inclined surfaces of the two triangular contact plates (622) respectively.

5. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 4, characterized in that: The bottom of the H-shaped transverse plate (401) is fixedly connected with two symmetrical L-shaped supporting legs (403); One side surface of one L-shaped supporting leg (403) is fixedly connected with a first telescopic air cylinder (404), the telescopic end of the first telescopic air cylinder (404) is fixedly connected with a side position plate (405), the side surface of the side position plate (405) is fixedly connected with a first motor (406), the output shaft of the first motor (406) is fixedly connected with a reciprocating screw rod (407), the side surface of the side position plate (405) is provided with a guide groove (408), and the inside of the guide groove (408) is slidably connected with a moving block (409) in reciprocating sliding contact with the reciprocating screw rod (407).

6. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 5, characterized in that: The side surface of the moving block (409) is fixedly connected with an L-shaped displacement plate (410), the inner top of the L-shaped displacement plate (410) is fixedly connected with a guide cylinder (411), and the inside of the guide cylinder (411) is fixedly connected with two symmetrical vertical rails (412). The fitting part (5) comprises a vertical cylinder (501) slidably arranged in the guide cylinder (411), the side surface of the vertical cylinder (501) is provided with two symmetrical vertical grooves (502), and the two vertical grooves (502) are slidably connected with the two vertical rails (412) respectively.

7. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 6, characterized in that: The top of the vertical cylinder (501) is fixedly connected with a fourth spring (503), the end of the fourth spring (503) is fixedly connected with the inner top of the guide cylinder (411), the bottom of the vertical cylinder (501) is fixedly connected with a fitting plate (504) in sliding contact with the automobile anti-collision beam (3), the side surface of the fitting plate (504) is fixedly connected with an internally-threaded cylinder (505), and the internally-threaded cylinder (505) is threadedly connected with a laser pen (506) inside. The inner side surface of the other L-shaped supporting leg (403) is fixedly connected with a base plate (413), the top of the base plate (413) is fixedly connected with a U-shaped clamping plate (414), and the inside of the U-shaped clamping plate (414) is slidably connected with a display light screen (415).

8. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 7, characterized in that: Another L-shaped support foot (403) inside is fixed below the base plate (413) with a transverse guide rail (416), the side of the transverse guide rail (416) is fixed with a second motor (417), the output shaft of the second motor (417) is fixed with a threaded screw rod (418), the inside of the transverse guide rail (416) is slidably connected with a displacement frame (419) which is threadedly connected with the threaded screw rod (418), the inside of the displacement frame (419) is fixed with a second telescopic cylinder (420) at the top, the telescopic end of the second telescopic cylinder (420) is fixed with a pressing plate (421); The side of the U-shaped clamping plate (414) is fixed with a display controller (422) which is electrically connected with the display light screen (415).

9. The test bench for strength detection of a new energy vehicle anti-collision beam according to claim 8, characterized in that: The inner wall of the H-shaped transverse plate (401) is fixed with two symmetrical second guide rods (423), and the inner wall of the H-shaped transverse plate (401) is fixed with two fifth springs (424) which are respectively sleeved and matched on the two second guide rods (423); One side of the two slide rail blocks (601) is provided with a guide circular hole (624) which is slidably connected with the second guide rod (423), and the end of the fifth spring (424) is fixedly connected with one side of the slide rail block (601).

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